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Articles 31 - 60 of 134
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Modeling Temporal Variations In Travel Demand For Intelligent Transportation Systems, Srinivas Subrahmanyam Pulugurtha
Modeling Temporal Variations In Travel Demand For Intelligent Transportation Systems, Srinivas Subrahmanyam Pulugurtha
UNLV Retrospective Theses & Dissertations
The imbalance between demand and supply on transportation networks, especially during peak periods, leads to significant level of congestion. Potential solutions to alleviate congestion problems include enhancing system capacity and effective utilization of available capacity--i.e., traffic demand management. Intelligent transportation system (ITS) initiatives such as travel demand management systems (TDMS) and traveler information systems (TIS) refer to demand management as an objective. The success of these initiatives rely heavily on an ability to accurately estimate the temporal variations in travel demand in near real-time. The focus of this dissertation is on developing a methodology for estimating temporal variations in travel …
A Study To Determine The Impact Of Summer Teacher Externships On Curriculum And Teaching Methods, Andrea C Anderson
A Study To Determine The Impact Of Summer Teacher Externships On Curriculum And Teaching Methods, Andrea C Anderson
UNLV Retrospective Theses & Dissertations
The purpose of this dissertation was to examine the effectiveness of summer teacher externships on affecting change in a teacher's curriculum or method of instruction so that students are better prepared to meet the employment needs of business and industry upon graduation; The federal School to Work Opportunities Act of 1994 was designed to create the mechanism to promote a partnership between education and business. The goal of this partnership is to involve business in education, and educators in business, in order to give America's students the high skills needed to compete in today's global economy; One of the programs …
A History Of The Las Vegas School Desegregation Case: Kelly Et Al V The Clark County School District, Ronan Matthew
A History Of The Las Vegas School Desegregation Case: Kelly Et Al V The Clark County School District, Ronan Matthew
UNLV Retrospective Theses & Dissertations
Kelly et al. v. Clark County School District (1972) is the title of a case initiated in 1968. The lawsuit alleged that de facto segregation existed in six elementary schools in Westside Las Vegas, 14 years following Brown v. Board of Education (1954) which called for the desegregation of American public schools. The case ended in 1972 with a victory for the plaintiffs, with the ordering of desegregation of the elementary schools in question. The purpose of this study was to examine the history of Kelly et al. v. Clark County School District (1972). Included in the study were a …
Faculty Attitudes Toward Distance Education In Utah Public Colleges And Universities, Arthur Thomas Challis
Faculty Attitudes Toward Distance Education In Utah Public Colleges And Universities, Arthur Thomas Challis
UNLV Retrospective Theses & Dissertations
The purpose of this study was to obtain faculty attitude information toward distance education at the Utah public colleges and universities. Faculty attitudes were deemed important with more and more money being allocated in Utah to the development of distance education; A survey of Utah public higher education faculty was conducted in the fall of 1997. The survey achieved a 66% return rate, a total of 421 faculty members; The survey found that 95% of the Utah faculty was familiar with distance education and that a high number would be willing to teach distance courses, even if they hadn't already …
The Institutional Control Of Ncaa Division One Collegiate Athletics, Burton Larry Easley
The Institutional Control Of Ncaa Division One Collegiate Athletics, Burton Larry Easley
UNLV Retrospective Theses & Dissertations
The control of collegiate athletics has been a matter of concern since the earliest days of college sports competition. In 1952, the National Collegiate Athletic Association instituted policies that included the ability to impose sanctions on colleges that violated recruiting guidelines, eligibility requirements, and other rules. Its lack of investigative and policing resources, however, left the NCAA with limited ability to enforce these policies. As a result, the organization placed the responsibility for control of institutional athletics on the school itself and its chief executive officer based on the reasoning that many problems involving violations of regulations would be solved …
Exercising Authority: A Critical History Of Exercise Messages In Popular Magazines, 1925-1968, Dahn Edward Shaulis
Exercising Authority: A Critical History Of Exercise Messages In Popular Magazines, 1925-1968, Dahn Edward Shaulis
UNLV Retrospective Theses & Dissertations
The purpose of this study was to analyze exercise messages in American popular magazines. A critical perspective and historical sociological methods were used to examine more than 500 magazine articles published from 1925 to 1968. A common factor in many articles was the use of ideology mixes. Magazines used biomedicalization, materialism, nationalism, and patriarchy in several combinations to authorize restrictive exercise norms. Exercise norms were stratified by age, class, gender, and race, but changing ideology mixes and exercise norms often reflected changes in society. Biomedicalization authorized doctors as gatekeepers. It prescribed moderate activity for affluent men, but discouraged vigorous exercise …
Testing The Naked Eye Observation Of The Cervix After Application Of Acetic Acid As An Effective Screening Test For Cervical Dysplasia, Carol M Schmidt
Testing The Naked Eye Observation Of The Cervix After Application Of Acetic Acid As An Effective Screening Test For Cervical Dysplasia, Carol M Schmidt
UNLV Retrospective Theses & Dissertations
The Papanicolaou test is the recommended screening for cervical cancer. It has a high false-negative rate. Because of the imperfection of the Papanicolaou other screening tests have been developed. Five studies compared various aspects of different screening techniques with mixed results; A quasi-experimental design study was constructed comparing the naked eye observation of the cervix to the colposcopy observation, and the naked eye observation of the cervix to the Papanicolaou test; The sample of 136 women from the Las Vegas area, being seen at their regular clinics were examined with all three procedures. A physiologic framework directed this study. The …
New Acceleration Technique For The Backpropagation Algorithm, Prasad Durga Sadhu
New Acceleration Technique For The Backpropagation Algorithm, Prasad Durga Sadhu
UNLV Retrospective Theses & Dissertations
Artificial neural networks have been studied for many years in the hope of achieving human like performance in the area of pattern recognition, speech synthesis and higher level of cognitive process. In the connectionist model there are several interconnected processing elements called the neurons that have limited processing capability. Even though the rate of information transmitted between these elements is limited, the complex interconnection and the cooperative interaction between these elements results in a vastly increased computing power; The neural network models are specified by an organized network topology of interconnected neurons. These networks have to be trained in order …
Feminist Theory: Gender, Race And Recidivism, Amie M Shuck
Feminist Theory: Gender, Race And Recidivism, Amie M Shuck
UNLV Retrospective Theses & Dissertations
Feminists and women of color have criticized criminological theories for being developed by white middle-class men to explain white male delinquency, and thus, are limited in their understanding of crime and deviance within a gender or racial context. The purpose of this study is to use a series of logistic regression models to evaluate this assertion regarding criminological 'theories' of recidivism. The results indicate that there are substantive differences in statistically significant coefficients, models explanatory power, and percent improvement in models ability to correctly classify recidivists between gender, race and gender/race models. These findings suggest that further research should be …
Crime And Its Relationship To The University Medical Center, Paul D Shapiro
Crime And Its Relationship To The University Medical Center, Paul D Shapiro
UNLV Retrospective Theses & Dissertations
This study explores the relationship between crime and violence and the University Medical Center of Southern Nevada. An investigation was conducted to determine how crime and violence affects the medical center from an economic, security, staff and organizational response perspective; Nursing staff and security officer interviews, supplemented with security department incident reports, suggest a perception problem exists. Nurses interviewed believe a major cost of crime and violence at the medical center is the perceived threat to their personal safety by gang members and patients under the influence of drugs or alcohol. Security officer interviews and data from incident reports suggest …
Breaking Up Is Hard To Do: The Dissolution Of Romantic Relationships, Megan Ann Sheehan
Breaking Up Is Hard To Do: The Dissolution Of Romantic Relationships, Megan Ann Sheehan
UNLV Retrospective Theses & Dissertations
This investigation of the dissolution of dating relationships was based on the surveys of 78 subjects. Subjects who reported being the rejectee experienced more distress than subjects who reported being the initiators or subjects who reported mutual breakups. As the length of the relationship increased, distress over the breakup increased. One component of the study examined the transformation of romantic relationships to cross-sex friendships. Nearly half of the subjects reported that they were either friends, close friends, or best friends with their former partner. The two variables which showed a significant correlation with friendship after dating were friendship prior to …
A Reevaluation Of Lower Colorado Buff Ware Ceramics: Redefining The Patayan In Southern Nevada, Gregory Richard Seymour
A Reevaluation Of Lower Colorado Buff Ware Ceramics: Redefining The Patayan In Southern Nevada, Gregory Richard Seymour
UNLV Retrospective Theses & Dissertations
Archaeological investigations in the Las Vegas area have collected significant ceramic data that have yet to be the subject of a systematic analysis. This thesis addresses issues relating to trade, exchange, and the manufacture of Lower Colorado Buff Ware ceramics found in the Las Vegas Valley. Archival research, and examination of representative ceramic assemblages from this region, address problems with existing regional models, including chronologic placement, ethnic origin, and culture change. Previous typological models, and past and present environmental conditions are presented, as well as a cultural historic context in which to place this data. Finally, a model of settlement …
The Effectiveness Of Systematic Training For Effective Parenting At Family And Child Treatment Of Southern Nevada, Melody Joyce Thompson
The Effectiveness Of Systematic Training For Effective Parenting At Family And Child Treatment Of Southern Nevada, Melody Joyce Thompson
UNLV Retrospective Theses & Dissertations
This study evaluated the effectiveness of the Systematic Training for Effective Parenting (STEP) program in its application at Family and Child Treatment (FACT) in Las Vegas, Nevada. There were five STEP sessions offered between July 1996 and February 1997. Twenty-four parents completed the program. At the beginning of each six-week session, volunteers completed a set of pretest questionnaires including the Self-Report Family Inventory (SFI), a set of four problem scenarios, and a demographics profile. After participation, posttests were collected on the SFI, the problem scenarios, and a Client Rating Counseling Outcome (CRCO) scale. Results showed that the STEP program is …
Friedrich Sieburg, A Twentieth-Century German Francophile, Frederick Matthew Sommer
Friedrich Sieburg, A Twentieth-Century German Francophile, Frederick Matthew Sommer
UNLV Retrospective Theses & Dissertations
Friedrich Sieburg achieved renown as a German literary critic in the years following World War II. His career in journalism and diplomacy prior to 1945, largely ignored in the 1950s and 1960s, has come under a new scrutiny since 1980. The connection between Sieburg's writings, many of which dealt with France, and his work with the German Foreign Office in wartime Paris has been a particular object of this scrutiny. The study Friedrich Sieburg. A Twentieth-Century German Francophile builds on the work of Joachim Fest, Margot Taureck and others, and argues that Sieburg was a romantic nationalist who became a …
Statistical Evaluation Of Motorist And Pedestrian Behavior At Signalized Intersections In Las Vegas, Sivashankar Subramani
Statistical Evaluation Of Motorist And Pedestrian Behavior At Signalized Intersections In Las Vegas, Sivashankar Subramani
UNLV Retrospective Theses & Dissertations
This study examines the effect of a law enforcement program implemented to check illegal and unsafe motorist and pedestrian behavior. A case study involving eight selected intersections in Las Vegas (four control and four treatment) was carried out over a period of seven months in conjunction with the pedestrian law enforcement program conducted during March and April of 1996. Pedestrian and motorist behaviors were video taped in 120 minute segments. The tapes were then reviewed to count vehicle violations, pedestrian violations, conflicts, total vehicles and total pedestrians. Violations and conflict rates for pre and during enforcement, and pre and post …
Public Perceptions Of Buildings Constructed Of Recycled Materials, Laura Michele Strauss
Public Perceptions Of Buildings Constructed Of Recycled Materials, Laura Michele Strauss
UNLV Retrospective Theses & Dissertations
The study presented herewith investigated public perceptions of buildings constructed of recycled materials. The three groups surveyed in the area of Las Vegas were the general public, Clark County School District construction management employees, and local architectural firms. Eight attributes of recycled building products were addressed in the survey, namely their availability, aesthetics, cost, maintenance, quality, health risks, life expectancy, and safety. Data collected from returned questionnaires were analyzed using the Statistical Package for the Social Sciences software package. Results indicate that: (1) the general public is largely unaware of the use of these products; (2) people in all three …
On Numerical Inversion Of The Moment Generating Function, Andy M Tsang
On Numerical Inversion Of The Moment Generating Function, Andy M Tsang
UNLV Retrospective Theses & Dissertations
The main purpose of this thesis is to apply an algorithm for the numerical inversion of the Laplace transform that recovers the probability density function (PDF) of a sum of nonnegative continuous random variables. The Laplace transform is used in many disciplines. For example, in actuarial sciences, a common application is to study the distribution of the sum of nonnegative independent random variables. Because it is a popular method, numerical techniques have been developed to invert the Laplace transform. In the discrete case, by using a moment generating function (MGF) of a sum of independent discrete variables, the distribution can …
A Comparison Of Roasting Pit Complexes In Southern Nevada, Connie Langford Vonsleichter
A Comparison Of Roasting Pit Complexes In Southern Nevada, Connie Langford Vonsleichter
UNLV Retrospective Theses & Dissertations
Roasting pits in southern Nevada are commonly thought to have functioned to process agave. This assumption is based on the presence of agave quids, the proximity of roasting pits to agave stands, and on ethnographic accounts of agave roasting. Soil samples from two roasting pit complexes confirm this contention, and suggest a secondary use of the features to singe spines off cacti. These conclusions are supported by research on Arizona Strip and Hohokam roasting pits.
Natural Light As Religious Symbol In Selected European And American Religious Buildings, Mary Theresa Venable
Natural Light As Religious Symbol In Selected European And American Religious Buildings, Mary Theresa Venable
UNLV Retrospective Theses & Dissertations
This study investigates the use of light, in the form of daylight, as a symbolic element, in selected European and American religious buildings. It first examines the symbolic meaning of light in various religions, the psychological and physiological influences of light on humans, and the historical tradition of light in religious buildings, with its correlation to the religious practices conducted in those buildings. Various strategies for employing daylight are then surveyed. This paper then presents case studies of notable religious buildings which put into practice the techniques previously identified, evaluating the resulting symbolic expression of daylight in view of the …
Improved Communication Skills Through Customized Training Programs: An Applied Study Of Organizational Development, Angela Autumn Betke
Improved Communication Skills Through Customized Training Programs: An Applied Study Of Organizational Development, Angela Autumn Betke
UNLV Retrospective Theses & Dissertations
As developmental training programs grow in organization life, customized training programs including observation, collaboration with management, data gathering, research of materials to be used, and evaluation become necessary. Using these, and other methods of research, consultants are able to develop programs which focus directly on the specific needs of an independent organization and its employees; This research evaluated internal organizational communication problems "by facilitating discovery and examination of the underlying symbolic structures, constraints, and opportunities of organizational life" (Kreps, 1983; Schein, 1987; 1969). The data gathered was "generated by organizational communication research to provide insight into organizational phenomena and redirect …
Effect Of Prime Vendor On Customer Satisfaction In Nellis Air Force Base Military Dining Facilities, David John Wendling
Effect Of Prime Vendor On Customer Satisfaction In Nellis Air Force Base Military Dining Facilities, David John Wendling
UNLV Retrospective Theses & Dissertations
The purpose of this study was to analyze the effects a change in the food delivery system at Nellis Air Force Base's military dining facilities had on customer satisfaction. 952 customer comment forms from Nellis Air Force Base's military dining facilities were collected and analyzed. First, ratings for the food variety, food taste, and food temperature categories were collected and coded. This data was then statistically analyzed using frequency analysis, descriptive analysis, cross tabulation, and a chi-square test to determine if ratings in these areas had changed due to the change in food delivery system; Next, written remarks from all …
The Relationship Between Chronic Alcohol Abuse And Information Processing Ability In Older Adults, Christopher P. Bertram
The Relationship Between Chronic Alcohol Abuse And Information Processing Ability In Older Adults, Christopher P. Bertram
UNLV Retrospective Theses & Dissertations
The issue of alcohol use and abuse among older adults is one that is gaining attention in current literature. Although it is an important issue, empirical evidence within the domain of alcohol, aging, and cognition, is sparse. Thus, the proposed preliminary study was designed to examine the relationship between chronic alcohol consumption and information processing speed in older adults. Eight matched participants (4 per group, mean age 56 years) were divided into two groups: Alcoholic or non-alcoholic. Participants were assigned to their respective group and matched based on the information provided on a health questionnaire. All participants completed a series …
The Effectiveness Of Court Appointed Special Advocates (Casas) To Assist In Permanency Planning, Cynthia Ann Calkins
The Effectiveness Of Court Appointed Special Advocates (Casas) To Assist In Permanency Planning, Cynthia Ann Calkins
UNLV Retrospective Theses & Dissertations
The effectiveness of permanency planning, which refers to efforts to move children through the court system in a timely and efficient manner, was analyzed by comparing outcome and process measures among a group of children having a court appointed special advocate (CASA) ordered and assigned to their case, a group of children who had CASA services ordered, but never assigned to their case (CONA), and a group of children who never had a CASA ordered nor assigned to their case (NO CASA). It was found that those cases having CASA involvement had significantly fewer placements, tended to be more likely …
Reaction As Image: Comic Books And American Life, 1940-1955, William S. Bush
Reaction As Image: Comic Books And American Life, 1940-1955, William S. Bush
UNLV Retrospective Theses & Dissertations
The comic book became a mass medium during a series of defining moments in twentieth-century American history. By telling and retelling narratives of individual achievement during the Great Depression, and tales of patriotism during World War II, comic books gained a popular audience rivaling that of agenda-setting national periodicals such as Life or The Saturday Evening Post. In the first postwar decade, however, publishers experimented with themes of crime, horror, teen romance, and social satire in ways that provoked a wave of public hostility. Crusading psychiatrists, politicians, civic groups, and religious leaders led a campaign against the industry that revealed …
The Changing Face Of The Kgb, Julie Anderson
The Changing Face Of The Kgb, Julie Anderson
UNLV Retrospective Theses & Dissertations
The Changing Face of the KGB examines the contemporary structure and functions of the post-Soviet Russian security and intelligence services. The nature of the relationships of the domestic and foreign intelligence services to other power structures in Russia today are examined, including an evaluation of its espionage networks within Russia, Eastern Europe, and the "near abroad." Special attention is devoted to an analysis of the Russian foreign intelligence service's recruiting methods and the cases of Russian spies Aldrich Ames, Harold Nicholson, and Earl Pitts. Finally, the thesis examines the Russian intelligence services' resumption of training terrorists, particularly those affiliated with …
Capability Of Native Yucca Mountain Microorganisms To Corrode 1020 Carbon Steel, Patricia Russo Castro
Capability Of Native Yucca Mountain Microorganisms To Corrode 1020 Carbon Steel, Patricia Russo Castro
UNLV Retrospective Theses & Dissertations
This project addressed the ability of native Yucca Mountain bacterial isolates to corrode metal designated as the outer barrier for nuclear waste containment. Microorganisms implicated in microbially-influenced corrosion recovered from the deep subsurface at Yucca Mountain include iron-oxidizing, sulfate-reducing, and exopolymer-producing bacteria. Test systems composed of a 1020 carbon steel coupon immersed in soft agar or soft agar and ground rock were designed to evaluate the biofilm formation and corrosion capabilities of these microorganisms at elevated temperature. Results indicated that incubation at 50{dollar}\sp\circ{dollar}C decreased the ability of these microorganisms to corrode carbon steel immersed in soft agar. However, corrosion rates …
Yield Management And Its Practical Application In Hotels, Jeffrey M. Caneen
Yield Management And Its Practical Application In Hotels, Jeffrey M. Caneen
UNLV Retrospective Theses & Dissertations
Yield management is an approach to pricing that is often used by industries in which the marginal production cost is relatively high, while the marginal sales cost is relatively low. The hotel industry meets this criterion. Industry publications demonstrate a keen interest in the revenue enhancing potential of yield management, but there has been little research on the extent to which this pricing technique is actually utilized by hotel general managers; This research tests the proposition that there are eight basic elements of yield management in hotels. The degree to which yield management is practiced is indicated by the extent …
Lossless Motion Compensation Of Images With Large Volumes Of Movement, Michael Aaron Ducharme
Lossless Motion Compensation Of Images With Large Volumes Of Movement, Michael Aaron Ducharme
UNLV Retrospective Theses & Dissertations
The majority of compression algorithms developed today contain some degree of image loss. While this is acceptable for certain types of image viewing, such a loss can interfere with applications that require the scientific analysis of an image. In this paper a lossless motion compensation compression algorithm is introduced and tested on a series of medical images which contain a high degree of motion. This motion compensation technique compensates for translation, scaling, rotation and the movement of multiple objects. This is accomplished be recursively dividing an image into a series of blocks, starting with a set of sixteen by sixteen …
The Relationship Between Plasma Potassium And The Ventilatory Drift During Continuous Steady State Exercise, Jutta Dinenna
The Relationship Between Plasma Potassium And The Ventilatory Drift During Continuous Steady State Exercise, Jutta Dinenna
UNLV Retrospective Theses & Dissertations
Recently, potassium has been investigated as a possible metabolite involved in the control exercise ventilation. Graded and incremental cycle tests using healthy subjects show a strong correlation between plasma potassium (K{dollar}\sp+{dollar}) and ventilation (V{dollar}\sb{\rm E}).{dollar} However, the role of potassium has not been investigated during steady state exercise. During steady state exercise researchers have observed a ventilatory drift that cannot be accounted for by lactate or expired carbon dioxide (VCO{dollar}\sb2).{dollar} The purpose of this study was to examine the relationship between plasma K{dollar}\sp+{dollar} levels and the ventilatory drift during steady state exercise. Participants cycled at 60% VO{dollar}\sb2{dollar} max. for 30 …
Determinants Of Health Promotion Behavior In Active Duty Air Force Personnel, Bridgette Jolene Grabowski
Determinants Of Health Promotion Behavior In Active Duty Air Force Personnel, Bridgette Jolene Grabowski
UNLV Retrospective Theses & Dissertations
Today's health care system has increasingly focused on health promotion and disease prevention activities. Within the United States' Air Force, emphasis has also been placed on health promoting lifestyle activities. However, the Air Force has a paucity of research regarding health promotion behavior and characteristics that influence a healthy lifestyle. The purpose of this research study was to determine the extent perceived locus of control and demographic factors, as selected factors of Nola Pender's Health Promotion Model, can predict health promotion behavior in a random sample of 217 active duty AF personnel assigned to a southwestern base. The results of …